国家/地区 中国（2） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 B（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC B32B027/10（3）
发明人 GUIDETTI G（2）
公开年 2022（2）
申请年 2021（2） 
专利权人 TETRA LAVAL .（2）

Producing oxygen barrier material for packaging material involves providing and forwarding substrate material web, providing aqueous composition comprising graphene oxide comprising monolayer flakes of graphene oxide, and coating aqueous composition of graphene oxide onto substrate material web.

BERLIN M, WAHLBERG J, GUIDETTI G

Producing paper packaging bag comprises impregnating inner packaging base paper layer, and outer packaging base paper layer, drying, coating impregnated inner packaging base paper layer and outer packaging base paper layer with barrier adhesive material, hot pressing and cooling.

NI H, CHEN F, YANG J

Packaging material for forming individual liquid food packaging containers, comprises one or more layers of heat sealable material laminated to core, and carbon-based layer(s) provided to form workpiece of associated sealing system.

BETTI BENEVENTI G, BIERLEIN P, GUIDETTI G, WAMSLER M, HURDALEK L, BETTI B G, BENEVENTI G B